text: /* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
  
  /*
    Part of the Wiring project - http://wiring.org.co
    Copyright (c) 2004-06 Hernando Barragan
    Modified 13 August 2006, David A. Mellis for Arduino - http://www.arduino.cc/
    
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
  
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
  
    You should have received a copy of the GNU Lesser General
    Public License along with this library; if not, write to the
    Free Software Foundation, Inc., 59 Temple Place, Suite 330,
    Boston, MA  02111-1307  USA
    
    $Id$
  */
  
  extern "C" {
    #include "stdlib.h"
  }
  
  void randomSeed(unsigned int seed)
  {
    if (seed != 0) {
      srandom(seed);
    }
  }
  
  long random(long howbig)
  {
    if (howbig == 0) {
      return 0;
    }
    return random() % howbig;
  }
  
  long random(long howsmall, long howbig)
  {
    if (howsmall >= howbig) {
      return howsmall;
    }
    long diff = howbig - howsmall;
    return random(diff) + howsmall;
  }
  
  long map(long x, long in_min, long in_max, long out_min, long out_max)
  {
    return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
  }
  
  unsigned int makeWord(unsigned int w) { return w; }
  unsigned int makeWord(unsigned char h, unsigned char l) { return (h << 8) | l; }